探索者
农药残留
杀虫剂
色谱法
检出限
残留物(化学)
化学
液相色谱-质谱法
最大残留限量
重复性
串联质谱法
质谱法
生物
农学
生物化学
作者
Tarık Balkan,Özlem Yılmaz
出处
期刊:Food Chemistry
[Elsevier]
日期:2022-08-01
卷期号:384: 132516-132516
被引量:31
标识
DOI:10.1016/j.foodchem.2022.132516
摘要
In the present study, QuEChERS method was optimized and validated for determination of 260 pesticides by liquid chromatography-tandem mass spectrometry (LC-MS/MS). The method had a suitable linearity (R2 ≥ 0.99). Limit of detection (LOD) and limit of quantification (LOQ) were ranged from 0.56 to 2.99 µg kg-1 and 1.88 to 9.99 µg kg-1 respectively. Average recoveries varied from 71.14% to 118.83%. Repeatability conditions and intra-laboratory reproducibility conditions of the method expressed as %RSD were found between 0.55% and 16.69% and 0.74% to 19.06%, respectively. The method was used to detect pesticide residue levels of leafy vegetables collected from the open markets, greenhouses and wholesale vegetable market. The pesticide residues were detected in 57.6% of the all samples. In five samples, pesticide residues were above Maximum Residue Levels (MRLs). The risk assessment study for detected pesticides in samples indicated that leafy vegetables consumption was safe for consumers.
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